A gerund has a -ing at the end, so A. toes and C. touched could not be gerund. 
Among the other two options,  B. stretching  and D. running Stretching is a present participle (a verbal form) and running - a noun- is a gerund, since gerunds are nouns.  
        
             
        
        
        
Answer:
The animals were able to take over the farm because the elderly owner was a drunkard and careless.
        
                    
             
        
        
        
Some parts of Africa to people in the US. They may may have limited resources, food, water, shelter. Suburban people can buy whatever and are comfortable.
        
             
        
        
        
Curly was trying to be friendly to a husky dog, but the dog was vicious and began to attack her face, she was trying to protect herself, but then the pack of 30-40 dogs came and attacked her as well, killing her in the process.